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<h1>zce
&nbsp;&nbsp;<img src="../mex.png" alt="Linux PC" border="0" title="Linux PC"></h1>

<h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
<div class="box"><strong>Zero-crossing Frequency Estimation</strong></div>

<h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
<div class="fragment"><pre class="comment"> Zero-crossing Frequency Estimation

 Estimates the instantaneous frequency of the input signal using the
 zero-crossing instantaneous frequency estimation algorithm.


 Usage:

     ife = zce( signal, window_length )

 Parameters:


    signal

      Input one dimensional signal to be analysed.

    window_length

      Moving window to count the average number of zero crossings each
      time it moves.</pre></div>

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